imageManipulator.php

<?php
/**
 * Created by PhpStorm.
 * User: mockie
 * Date: 13/09/15
 * Time: 22:13
 */

namespace ImageManipulator\Utilities;


class ImageFrameCreator {

    protected $expandingValues = [];

    protected $path;

    protected $baseImageManipulator;

    protected $baseImage;

    protected $imageAttr;

    protected $newImage;

    public function __construct(BaseImageManipulator $baseImageManipulator)
    {
        $this->baseImageManipulator = $baseImageManipulator;

        $this->imageAttr = $this->baseImageManipulator->getImageAttributes();

        $this->newImage = $this->baseImageManipulator->imageCreateFromAny();
    }

    protected function createBaseImage()
    {
        $expandingHeight    = $this->expandingValues['top'] + $this->expandingValues['bottom'];
        $expandingWidth     = $this->expandingValues['left'] + $this->expandingValues['right'];

        if (!$this->baseImage) {
            $this->baseImage = imagecreatetruecolor(
                $this->imageAttr['width'] + $expandingWidth,
                $this->imageAttr['height'] + $expandingHeight
            );
        }
    }

    public function createFrame()
    {
        $center = ($this->expandingValues['left'] + $this->expandingValues['right']) / 2;

        imagecopyresampled(
            $this->baseImage,
            $this->newImage,
            $center,
            0,
            0,
            0,
            $this->imageAttr['width'],
            $this->imageAttr['height'],
            $this->imageAttr['width'],
            $this->imageAttr['height']
        );
    }

}